Gaya APA
Sharpe, P, J. (2008).
Barron's the leader in test preparation practice exercises for the TOEFL .
Jakarta:
Binarupa Aksara.
Gaya MLA
Sharpe, Pamela, J..
"Barron's the leader in test preparation practice exercises for the TOEFL".
Jakarta:
Binarupa Aksara,
2008.
Compact Disk.